This is the 862nd most frequent Arabic word.
الأكبر
The greatest or the biggest.
Here, 'الأكبر' is used as a superlative adjective to describe the size of the house.
هذا هو البيت الأكبر في الحي.
This is the largest house in the neighborhood.
'الأكبر' functions here to indicate seniority or age in the context of a group.
كان الشخص الأكبر في الاجتماع مسؤولًا عن اتخاذ القرارات.
The oldest person in the meeting was responsible for making decisions.
In this sentence, 'الأكبر' describes the physical size of a mountain as the largest in its geographical context.